diff options
author | Dave Airlie <airlied@redhat.com> | 2019-04-05 13:17:15 +1000 |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2019-04-24 13:48:45 +1000 |
commit | 6ecac85eadb9d4065b9038fa3d3c66d49038e14b (patch) | |
tree | 5c01e3067ff528287d512b860ad99ede84e05ad5 /drivers/gpu/drm/udl | |
parent | fd96e0dba19c53c2d66f2a398716bb74df8ca85e (diff) | |
download | linux-6ecac85eadb9d4065b9038fa3d3c66d49038e14b.tar.gz |
drm/udl: move to embedding drm device inside udl device.
This should help with some of the lifetime issues, and move us away
from load/unload.
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190405031715.5959-4-airlied@gmail.com
Diffstat (limited to 'drivers/gpu/drm/udl')
-rw-r--r-- | drivers/gpu/drm/udl/udl_drv.c | 56 | ||||
-rw-r--r-- | drivers/gpu/drm/udl/udl_drv.h | 9 | ||||
-rw-r--r-- | drivers/gpu/drm/udl/udl_fb.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/udl/udl_main.c | 23 |
4 files changed, 53 insertions, 37 deletions
diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c index b7d01b3664cb..312bf324841a 100644 --- a/drivers/gpu/drm/udl/udl_drv.c +++ b/drivers/gpu/drm/udl/udl_drv.c @@ -48,10 +48,16 @@ static const struct file_operations udl_driver_fops = { .llseek = noop_llseek, }; +static void udl_driver_release(struct drm_device *dev) +{ + udl_fini(dev); + udl_modeset_cleanup(dev); + drm_dev_fini(dev); + kfree(dev); +} + static struct drm_driver driver = { .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME, - .load = udl_driver_load, - .unload = udl_driver_unload, .release = udl_driver_release, /* gem hooks */ @@ -75,28 +81,56 @@ static struct drm_driver driver = { .patchlevel = DRIVER_PATCHLEVEL, }; +static struct udl_device *udl_driver_create(struct usb_interface *interface) +{ + struct usb_device *udev = interface_to_usbdev(interface); + struct udl_device *udl; + int r; + + udl = kzalloc(sizeof(*udl), GFP_KERNEL); + if (!udl) + return ERR_PTR(-ENOMEM); + + r = drm_dev_init(&udl->drm, &driver, &interface->dev); + if (r) { + kfree(udl); + return ERR_PTR(r); + } + + udl->udev = udev; + udl->drm.dev_private = udl; + + r = udl_init(udl); + if (r) { + drm_dev_fini(&udl->drm); + kfree(udl); + return ERR_PTR(r); + } + + usb_set_intfdata(interface, udl); + return udl; +} + static int udl_usb_probe(struct usb_interface *interface, const struct usb_device_id *id) { - struct usb_device *udev = interface_to_usbdev(interface); - struct drm_device *dev; int r; + struct udl_device *udl; - dev = drm_dev_alloc(&driver, &interface->dev); - if (IS_ERR(dev)) - return PTR_ERR(dev); + udl = udl_driver_create(interface); + if (IS_ERR(udl)) + return PTR_ERR(udl); - r = drm_dev_register(dev, (unsigned long)udev); + r = drm_dev_register(&udl->drm, 0); if (r) goto err_free; - usb_set_intfdata(interface, dev); - DRM_INFO("Initialized udl on minor %d\n", dev->primary->index); + DRM_INFO("Initialized udl on minor %d\n", udl->drm.primary->index); return 0; err_free: - drm_dev_put(dev); + drm_dev_put(&udl->drm); return r; } diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h index b3e08e876d62..35c1f33fbc1a 100644 --- a/drivers/gpu/drm/udl/udl_drv.h +++ b/drivers/gpu/drm/udl/udl_drv.h @@ -50,8 +50,8 @@ struct urb_list { struct udl_fbdev; struct udl_device { + struct drm_device drm; struct device *dev; - struct drm_device *ddev; struct usb_device *udev; struct drm_crtc *crtc; @@ -71,7 +71,7 @@ struct udl_device { atomic_t cpu_kcycles_used; /* transpired during pixel processing */ }; -#define to_udl(x) ((x)->dev_private) +#define to_udl(x) container_of(x, struct udl_device, drm) struct udl_gem_object { struct drm_gem_object base; @@ -104,9 +104,8 @@ struct urb *udl_get_urb(struct drm_device *dev); int udl_submit_urb(struct drm_device *dev, struct urb *urb, size_t len); void udl_urb_completion(struct urb *urb); -int udl_driver_load(struct drm_device *dev, unsigned long flags); -void udl_driver_unload(struct drm_device *dev); -void udl_driver_release(struct drm_device *dev); +int udl_init(struct udl_device *udl); +void udl_fini(struct drm_device *dev); int udl_fbdev_init(struct drm_device *dev); void udl_fbdev_cleanup(struct drm_device *dev); diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c index 16593d4f02b4..b9b67a546d4c 100644 --- a/drivers/gpu/drm/udl/udl_fb.c +++ b/drivers/gpu/drm/udl/udl_fb.c @@ -213,7 +213,7 @@ static int udl_fb_open(struct fb_info *info, int user) struct udl_device *udl = to_udl(dev); /* If the USB device is gone, we don't accept new opens */ - if (drm_dev_is_unplugged(udl->ddev)) + if (drm_dev_is_unplugged(&udl->drm)) return -ENODEV; ufbdev->fb_count++; diff --git a/drivers/gpu/drm/udl/udl_main.c b/drivers/gpu/drm/udl/udl_main.c index 862c099d7c4c..6743eaef4594 100644 --- a/drivers/gpu/drm/udl/udl_main.c +++ b/drivers/gpu/drm/udl/udl_main.c @@ -311,20 +311,12 @@ int udl_submit_urb(struct drm_device *dev, struct urb *urb, size_t len) return ret; } -int udl_driver_load(struct drm_device *dev, unsigned long flags) +int udl_init(struct udl_device *udl) { - struct usb_device *udev = (void*)flags; - struct udl_device *udl; + struct drm_device *dev = &udl->drm; int ret = -ENOMEM; DRM_DEBUG("\n"); - udl = kzalloc(sizeof(struct udl_device), GFP_KERNEL); - if (!udl) - return -ENOMEM; - - udl->udev = udev; - udl->ddev = dev; - dev->dev_private = udl; mutex_init(&udl->gem_lock); @@ -358,7 +350,6 @@ int udl_driver_load(struct drm_device *dev, unsigned long flags) err: if (udl->urbs.count) udl_free_urb_list(dev); - kfree(udl); DRM_ERROR("%d\n", ret); return ret; } @@ -369,7 +360,7 @@ int udl_drop_usb(struct drm_device *dev) return 0; } -void udl_driver_unload(struct drm_device *dev) +void udl_fini(struct drm_device *dev) { struct udl_device *udl = to_udl(dev); @@ -379,12 +370,4 @@ void udl_driver_unload(struct drm_device *dev) udl_free_urb_list(dev); udl_fbdev_cleanup(dev); - kfree(udl); -} - -void udl_driver_release(struct drm_device *dev) -{ - udl_modeset_cleanup(dev); - drm_dev_fini(dev); - kfree(dev); } |